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Finding the Fourth Proportional to 264,279.91, 364,792.98 and 155,378.98

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Solution

The fourth proportional to 264,279.91, 364,792.98 and 155,378.98 is: 214,473.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,279.91 : 364,792.98 = 155,378.98 : x
  2. Step 2: Convert to fraction form
    264,279.91/364,792.98 = 155,378.98/x
  3. Step 3: Cross multiply
    264,279.91x = 364,792.98 × 155,378.98
  4. Step 4: Simplify right side
    264,279.91x = 56,681,162,404.37
  5. Step 5: Solve for x
    x = 56,681,162,404.37/264,279.91
  6. Step 6: Final answer
    x = 214,473.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.